unguided

Study of Wireless Controling and Guiding with CDMA Technology for a Portable Anti-Tank Missile;

便携式反坦克导弹CDMA无线制导方式探索

radio inertial guidance system

无线电惯性制导系统

radio command guidance system

无线电指令制导系统

On Wireless Command Encoding and Encrypting for the TV-Command-Guided Missiles

电视制导导弹无线电制导指令编码加密

in the number of radio-controlled rocket bombs,,,

大量无线电制导火箭炸弹…

Marine Radio Navigation

船舶无线电导航海上无线电导航

talking-down system

无线电导航(着陆)装置

maritime radio navigation service

海上无线电导航业务

radionavigation-satellite service

卫星无线电导航业务

radionavigation land statio

无线电导航陆地电台

aeronautical radionavigation service

航空无线电导航业务

aeronautical fixed radio service

固定无线电导航业务

low frequency radio-range

低频无线电导航信标

lowmedium frequency radio range

低中频无线电导航信标

four-course radio range station

四航道无线电导航台

radio and television aid to navigation

无线电与电视导航工具

radio landing beam

无线电着陆导航波束

Gee navigation aid

“奇异”无线电导航系统